한 Members of 5tion 5tion (오션) is a South Korean Boy Group that debuted in 2001. They consist of 6 members: Ilkwon, Boseok, Changwoo, Junho, Juno and Junyoung. 5tion (pronounced "Ocean") is one of the longest-running groups in the history of Korean music, having debuted in 2001 under Star World. The group's trajectory is marked by one of the most complex and unstable lineup structures in the industry, defined by multiple reincarnations, prolonged hiatuses, and various legal shifts regarding the brand. Originally a quintet of sophisticated ballad singers, the group achieved immediate success with the classic "More Than Words", establishing themselves as a benchmark for vocal harmony. However, internal differences and military obligations led to a succession of changes that divided the band's history into distinct phases, often with little to no member overlap between them, save for the name itself. The evolution of 5tion transitioned from a mainstream R&B group in the 2000s to a unit focused almost exclusively on the Japanese market starting in 2013. A critical turning point occurred in 2021, when the then-stable Japanese lineup (consisting of Len, Noa, and Marine) broke away from management to form the independent group FL1X. In response, original member Sohn Ilkwon, who holds the legal rights to the name, overhauled the group by recruiting new talent, including former members of other groups such as Junyoung (Zica from JJCC). Currently, 5tion operates as an entertainment brand led by Ilkwon, maintaining a flexible formation that preserves the legacy of Korean ballads while navigating an independent and rotating production structure. Member Boseok isn't an official member, but rather a "guest member" on and off. Return to Artist Read All Members 20012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026 IlkwonKyneLenTaekyungJohnHyunChanminMinsungSeokhoWooilBoseokMarineNoaChangwooJunhoJunoJunyoung Ilkwon (일권) Full Name: Son Ilkwon Date of Birth: 1978-06-23 (48 years) Zodiac sign: Cancer Country: South Korea Active period: 2001-present Role: Leader Boseok (보석) Full Name: Kim Boseok Date of Birth: 1993-10-20 (32 years) Zodiac sign: Libra Country: South Korea Active period: 2012-present Role: Changwoo (창우) Full Name: Lee Changwoo Date of Birth: 1984-10-22 (41 years) Zodiac sign: Libra Country: South Korea Active period: 2020-present Role: Junho (준호) Full Name: Lee Junho Date of Birth: 1998-01-19 (28 years) Zodiac sign: Capricorn Country: South Korea Active period: 2020-present Role: Maknae Juno (주호) Full Name: Park Ju-ho Date of Birth: 1991-05-14 (35 years) Zodiac sign: Taurus Country: South Korea Active period: 2020-present Role: Junyoung (준영) Full Name: Lee Junyoung Date of Birth: 1991-08-20 (35 years) Zodiac sign: Leo Country: South Korea Active period: 2020-present Role: Vocal Past Members Kyne (카인) Full Name: Oh Byungjin Date of Birth: 1976-08-30 Zodiac sign: Virgo Country: South Korea Active period: 2001-2014 Role: ex-Leader Len (렌) Full Name: Lee Sangchu Date of Birth: 1983-11-14 Zodiac sign: Scorpio Country: South Korea Active period: 2012-2020 Role: ex-Leader Taekyung (태경) Full Name: Lee Taekyung Date of Birth: 1980-06-16 Zodiac sign: Gemini Country: South Korea Active period: 2001-2006 Role: John (존) Full Name: Hwang Sunghwan Date of Birth: 1977-06-20 Zodiac sign: Gemini Country: South Korea Active period: 2001-2011 Role: Vocal Hyun (현) Full Name: Lee Hyun Date of Birth: 1979-12-27 Zodiac sign: Capricorn Country: South Korea Active period: 2001-2012 Role: Vocal Chanmin (찬민) Full Name: Kim Chanmin Date of Birth: 1977-06-16 Zodiac sign: Gemini Country: South Korea Active period: 2006-2006 Role: Minsung (민성) Full Name: Kim Minsung Date of Birth: 1981-11-12 Zodiac sign: Scorpio Country: South Korea Active period: 2006-2006 Role: Seokho (석호) Full Name: Yoo Seokho Date of Birth: 1982-03-03 Zodiac sign: Pisces Country: South Korea Active period: 2006-2006 Role: Wooil (우일) Full Name: Hwang Wooil Date of Birth: 1982-02-13 Zodiac sign: Aquarius Country: South Korea Active period: 2006-2011 Role: Marine (마린) Full Name: Kim Yongwoon Date of Birth: 1984-04-19 Zodiac sign: Aries Country: South Korea Active period: 2013-2020 Role: Noa (노아) Full Name: Hwang Doohwan Date of Birth: 1987-01-30 Zodiac sign: Aquarius Country: South Korea Active period: 2013-2020 Role: Images Return to Artist